<template>
    <div>
        <!-- <h3>用户列表组件</h3> -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>权限管理</el-breadcrumb-item>
            <el-breadcrumb-item>角色列表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card >
            <el-row>
                <el-col>
                    <el-button type="primary">添加角色</el-button>
                </el-col>
            </el-row>
            <el-table :data="rolesList" border stripe>
                <el-table-column type="expand">
                    <template slot-scope="scope">
                        <el-row :class="['bdbottom',index1===0?'bdtop':'']" v-for="(item1,index1) in scope.row.children" :key="item1.id">
                            <el-col :span="5">
                                <el-tag closable @close="removeRightById(scope.row,item1.id)">{{ item1.authName }}</el-tag>
                                <i class="el-icon-caret-right"></i>
                            </el-col>
                            <el-col :span="19">
                                <el-row :class="['bdbottom',index2==0?'bdtop':'']" v-for="(item2,index2) in item1.children" :key="item2.id">
                                    <el-col :span="6">
                                        <el-tag type="success" closable @close="removeRightById(scope.row,item2.id)">{{ item2.authName }}</el-tag>
                                        <i class="el-icon-caret-right"></i>
                                    </el-col>
                                    <el-col :span="18">
                                        <el-tag closable @close="removeRightById(scope.row,item3.id)" type="warning" v-for="(item3) in item2.children" :key="item3.id">{{ item3.authName }}</el-tag>
                                    </el-col>
                                </el-row>
                            </el-col>
                        </el-row>
                    </template>
                </el-table-column>
                <el-table-column type="index"></el-table-column>
                <el-table-column prop="roleName" label="名称"></el-table-column>
                <el-table-column prop="roleDesc" label="描述"></el-table-column>
                <el-table-column prop="roleDesc" label="操作" width="300px">
                    <template slot-scope="scope">
                        <el-button type="primary" size="mini" icon="el-icon-search" @click="editRole(scope.row)">编辑</el-button>
                        <el-button type="danger" size="mini" icon="el-icon-delete" @click="editRole(scope.row)">删除</el-button>
                        <el-button type="warning" size="mini" icon="el-icon-setting" @click="showSetRightDialog(scope.row)">分配权限</el-button>
                    </template>
                </el-table-column>
            </el-table>
        </el-card>

        <el-dialog
            title="分配权限"
            :visible.sync="setRightDialogVisible"
            width="50%"
            @close="setRightDialogClosed">
            <el-tree ref="treeRef" node-key="id" show-checkbox default-expand-all :default-checked-keys="defKeys" :data="rightsList" :props="defaultProps" @node-click="handleNodeClick"></el-tree>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRightDialogVisible = false" size="mini">取 消</el-button>
                <el-button type="primary" @click="allotRights" size="mini">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>
<script>
export default {
    data(){
        return{
            rolesList:[],
            setRightDialogVisible:false,
            rightsList:[],
            defaultProps:{
                children: 'children',
                label: 'authName'
            },
            defKeys:[]
        }
    },
    created(){
        this.getRolesList();
    },
    methods:{
        async getRolesList(){
            const {data:res} = await this.$http.get('roles')
            console.log(res);
            if(res.meta.status == 200){
                this.rolesList = res.data;
                this.$message.success(res.meta.msg)
            }else{
                this.$message.error(res.meta.msg)
            }
        },
        editRole(row){

        },
        async removeRightById(role,rightId){
            const confirmResult = await this.$confirm('此操作将永久删除该权限, 是否继续?', '提示',{
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).catch(err => err);
            if(confirmResult == 'confirm'){
                const {data:res} = await this.$http.delete(`roles/${role.id}/rights/${rightId}`)
                if(res.meta.status == 200){
                    this.$message.success(res.meta.msg)
                    // this.getRolesList()
                    role.children = res.data;
                }else{
                    this.$message.error(res.meta.msg)
                }
            }else{
                this.$message.info('取消删除')
            }

        },
        async showSetRightDialog(role){
            this.roleId = role.id;
            const {data:res} = await this.$http.get(`rights/tree`);
            if(res.meta.status == 200){
                this.rightsList = res.data;
                role.children.forEach(item1 => {
                    item1.children.forEach(item2=>{
                        item2.children.forEach(item3=>{
                            this.defKeys.push(item3.id);
                        })
                    })
                });
                console.log(this.rightsList);
            }else{
                this.$message.error(res.meta.msg)
            }
            this.setRightDialogVisible = true;
        },
        setRightDialogClosed(){
            this.defKeys = [];
        },
        handleNodeClick(){

        },
        async allotRights(){
            const keys = [
                ...this.$refs.treeRef.getCheckedKeys(),
                ...this.$refs.treeRef.getHalfCheckedKeys()]
            const idStr = keys.join(',');
            const {data:res} = await this.$http.post(`roles/${this.roleId}/rights`,{rids:idStr})
            if(res.meta.status == 200){
                this.$message.success(res.meta.msg)
                this.getRolesList();
                this.setRightDialogVisible = false;
            }else{
                this.$message.error(res.meta.msg)
            }
        }
    }
}
</script>

<style lang="less" scoped>
.el-tag {
    margin: 7px;
}
.bdtop {
    border-top: 1px solid #eee;
}
.bdbottom{
    border-bottom: 1px solid #eee;
}
.el-row {
        display: flex;
        align-items: center;
}
</style>